Of all the challenges faced with human in the 21st century, the population and grain problem are unavoidable and of great severity.

21世纪人类所面临的挑战中，人口和粮食问题仍然是不能避免的并且是十分严重的。

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Recent years, global grain prices rose sharply, causing great concern of the international community, grain problem once again become a hot topic.

近年来，全球粮食价格大幅上涨，引起了国际社会高度关注，粮食问题再次成为热点话题。

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The problem is not that we're producing less grain — we're producing more grain — but we're not increasing production fast enough to keep up with the growth in demand.

问题并不在于我们的粮食越来越少——我们生产的越来越多——而在于我们生产的速度无法赶超需求增长的速度。

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The founders of Voodoo Doughnuts never had a problem going against that grain.

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The problem: It takes so much grain and other resources to produce meat, he says.

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Grain supplies for the program in the first year would not be a problem because the government has large stocks, but implementation of the program may become increasingly difficult in subsequent years, said Madan Sabnavis, chief economist at CARE Ratings.

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